import random
try:
    print("xxx公司年会抽奖环节！")
    print("*********************")
    print("*******1.开始抽奖********")
    print("*******2.结束抽奖********")
    print("*********************")
    names = ["张三","李四","王五","赵六"]
    gifts = ["四合院","汤臣一品","凯迪拉克","毛巾"]
    while True:
        num = int(input("请按提示输入相对信息：\n"))
        if num == 1:
            name = random.choice(names)
            gift = random.choice(gifts)
            print("恭喜%s得到大奖%s"%(name,gift))
            names.remove(name)
        elif num == 2:
            print("抽奖环节结束")
            break
        else :
            print("输入的不正确，请重新输入")
except Exception:
    print("公司所有员工都中过奖了")